Home / 743,927.90-1,026,732.67-453,707.93

Finding the Fourth Proportional to 743,927.90, 1,026,732.67 and 453,707.93

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Solution

The fourth proportional to 743,927.90, 1,026,732.67 and 453,707.93 is: 626,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,927.90 : 1,026,732.67 = 453,707.93 : x
  2. Step 2: Convert to fraction form
    743,927.90/1,026,732.67 = 453,707.93/x
  3. Step 3: Cross multiply
    743,927.90x = 1,026,732.67 × 453,707.93
  4. Step 4: Simplify right side
    743,927.90x = 465,836,748,101.14
  5. Step 5: Solve for x
    x = 465,836,748,101.14/743,927.90
  6. Step 6: Final answer
    x = 626,185.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.